Perhaps you should try some spelling variations:
bhutan development » human development, urban development, clean development
communication sts » communication costs, communication set, communication sur
technologien als » technologien des, technologien fur, technologien und
informal labor » formal labor
development en » developpement en, development menu, development eco
als informal » laws informal, vs informal, als normal
die mobile » does mobile, das mobile, day mobile
sts bhutan » sts human
labor die » labor das, labor day, labor do

You may be able to get more results by adjusting your search query.

• Adding a wildcard symbol may retrieve word variants: technologien als informal labor die mobile communication sts bhutan development en afrique.*.